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| File name: | 6100547255336960.zip |
| Full analysis: | https://app.any.run/tasks/2b163bcd-d89f-4508-9ee1-51ab7f1a5495 |
| Verdict: | Malicious activity |
| Threats: | Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. |
| Analysis date: | July 11, 2019, 14:14:31 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract |
| MD5: | 4DA9AE88187E2C06039B01F5D8929673 |
| SHA1: | 999EFC1AE082DF3DC3F70930E6110BFF851293A6 |
| SHA256: | 151B9D520753396EFC52B21E6A69A18697664C8570204726B1773A59D364C9E4 |
| SSDEEP: | 12288:eKjKFy50I/U+C4S051NEycnq0QPa9d9j7I:yFI/Uu5MycWPaL9HI |
MALICIOUS
Application was dropped or rewritten from another process
- test.exe (PID: 3684)
- test.exe (PID: 3096)
Runs PING.EXE for delay simulation
- cmd.exe (PID: 4000)
SUSPICIOUS
Creates files in the user directory
- rundll32.exe (PID: 1312)
Uses RUNDLL32.EXE to load library
- test.exe (PID: 3684)
Reads Internet Cache Settings
- rundll32.exe (PID: 1312)
Starts CMD.EXE for commands execution
- test.exe (PID: 3684)
INFO
Manual execution by user
- test.exe (PID: 3684)
- test.exe (PID: 3096)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipFileName: | db76943b88b45467728f95c2996840a994fca50a79a9a3967fcd7755e8b9f427 |
|---|---|
| ZipUncompressedSize: | 862640 |
| ZipCompressedSize: | 472559 |
| ZipCRC: | 0x00000000 |
| ZipModifyDate: | 1980:00:00 00:00:00 |
| ZipCompression: | Unknown (99) |
| ZipBitFlag: | 0x0009 |
| ZipRequiredVersion: | 20 |
Total processes
45
Monitored processes
6
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3100 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\6100547255336960.zip" | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe |
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.60.0 | ||||
| 3096 | "C:\Users\admin\Desktop\test.exe" | C:\Users\admin\Desktop\test.exe | — | explorer.exe |
User: admin Company: BigBaiCai.Com Integrity Level: MEDIUM Description: 大白菜卸载程序 Exit code: 3221226540 Version: 8.0.19.622 | ||||
| 3684 | "C:\Users\admin\Desktop\test.exe" | C:\Users\admin\Desktop\test.exe | explorer.exe | |
User: admin Company: BigBaiCai.Com Integrity Level: HIGH Description: 大白菜卸载程序 Exit code: 0 Version: 8.0.19.622 | ||||
| 1312 | "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\WININET.dll",DispatchAPICall 1 | C:\Windows\system32\rundll32.exe | — | test.exe |
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 4000 | cmd /c C:\Users\admin\AppData\Local\Temp\scratch.bat | C:\Windows\system32\cmd.exe | — | test.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3448 | ping -n 0 127.0.0.1 | C:\Windows\system32\PING.EXE | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: TCP/IP Ping Command Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
510
Read events
481
Write events
29
Delete events
0
Modification events
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\6100547255336960.zip | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (3100) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface |
| Operation: | write | Name: | ShowPassword |
Value: 0 | |||
| (PID) Process: | (3684) test.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | GlobalUserOffline |
Value: 0 | |||
Executable files
0
Suspicious files
0
Text files
7
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3100 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb3100.49825\db76943b88b45467728f95c2996840a994fca50a79a9a3967fcd7755e8b9f427 | — | |
MD5:— | SHA256:— | |||
| 3684 | test.exe | C:\Users\admin\AppData\Local\Temp\aut8791.tmp | — | |
MD5:— | SHA256:— | |||
| 3684 | test.exe | C:\Users\admin\AppData\Local\Temp\3684xtmpswm | — | |
MD5:— | SHA256:— | |||
| 1312 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\index.dat | dat | |
MD5:582B0BD004F9A119431E42F9463170CC | SHA256:380017D0897C7A419FC7E5F21996586A66FE3C6CB845FC1EC815B646D1B4D426 | |||
| 3684 | test.exe | C:\Users\admin\AppData\Local\Temp\scratch.bat | text | |
MD5:9A4AA24BB28A8367ED79196EA8734D44 | SHA256:5E4F8001BE7F34DFDEABC41BD19EF2541A20520363134C63F789C261A64BE3E1 | |||
| 1312 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\index.dat | dat | |
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862 | SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A | |||
| 1312 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\desktop.ini | ini | |
MD5:4A3DEB274BB5F0212C2419D3D8D08612 | SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38 | |||
| 1312 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OO5BBV3V\desktop.ini | ini | |
MD5:4A3DEB274BB5F0212C2419D3D8D08612 | SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38 | |||
| 1312 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\EI6CDQGK\desktop.ini | ini | |
MD5:4A3DEB274BB5F0212C2419D3D8D08612 | SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38 | |||
| 1312 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\YDYMICQF\desktop.ini | ini | |
MD5:4A3DEB274BB5F0212C2419D3D8D08612 | SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
2
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3684 | test.exe | GET | 200 | 120.132.17.169:80 | http://yun.bigbaicai.com/Index/addInfo?hw=111F3B41FC4C078B3CC1C998B8780D68&ver=8.0.19.622&channel=&act=100&system=Windows+7+Professional+X86&soft=&code1=0&code2=&code3=&str1=&str2=&str3=99 | CN | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3684 | test.exe | 120.132.17.169:80 | yun.bigbaicai.com | AS Number for CHINANET jiangsu province backbone | CN | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
yun.bigbaicai.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3684 | test.exe | Potential Corporate Privacy Violation | ET POLICY Autoit Windows Automation tool User-Agent in HTTP Request - Possibly Hostile |
3684 | test.exe | A Network Trojan was detected | AV TROJAN Unk.AutoIt.Agent System Info Exfil |